Use the Heron's formula to find the area of the triangle. Round your answer to two decimal places.
?
a = 10, b = 14, c = 19
?

A. 14.68
B. 84.31
C. 54.99
D. 31.75
E. 68.09

Answer: E

Mathematics

You might also like to view...

The lists below show five agricultural crops in Alabama, Arkansas, and Louisiana.AlabamaArkansasLouisianasoybeans (s)soybeans (s)soybeans (s) peanuts (p)rice (r)sugarcane (n)corn (c)cotton (t)rice (r)hay (h)hay (h)corn (c)wheat (w)wheat (w)cotton (t)Let U be the smallest possible universal set that includes all of the crops listed, and let A, K and L be the sets of five crops in Alabama, Arkansas, and Louisiana, respectively. Find each of the following sets.The set of crops in either A or L or both

A. {c, n, p} B. {c, h, n, p, r, s, t, w} C. {h, n, p, r, t, w} D. {c,s}

View
Mathematics

List the elements in the set.The set of all positive integer powers of 3.

A. {1, 3, 9, 27, 81, 243, ...} B. {1, 8, 27, 64, 125, ...} C. {3, 6, 9, 12, 15, ...} D. {3, 9, 27, 81, 243, ...}

View
Mathematics

Convert the temperature. Give your answer to the nearest tenth of a degree.100°C =    °F

A. 237.6°F B. 212.0°F C. 85.0°F D. 87.6°F

View
Mathematics

Solve the problem.Chris rode her bicycle 18miles on Tuesday. On Thursday, she rode  miles. What was her total biking distance for those two days?

A. 19 miles
B. 20 miles
C. 18 miles
D. 21 miles

View
Mathematics